package com.designpattern.demo.design1;

/**
 * Created by lingchen on 2019/11/25. 21:00
 * mail:lingchen52@foxmail.com
 */
public class OperationAdd extends Operation {

    public double getResult() {
        double result=0;
        result = getNumber_a() + getNumber_b();
        return result;
    }

}
